80382232557 has 36 divisors (see below), whose sum is σ = 134551999296. Its totient is φ = 45850811520.

The previous prime is 80382232547. The next prime is 80382232559. The reversal of 80382232557 is 75523228308.

It is not a de Polignac number, because 80382232557 - 2¹² = 80382228461 is a prime.

It is a super-2 number, since 2×80382232557² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80382232559) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1376133 + ... + 1433354.

It is an arithmetic number, because the mean of its divisors is an integer number (3737555536).

Almost surely, 2^80382232557 is an apocalyptic number.

It is an amenable number.

80382232557 is a deficient number, since it is larger than the sum of its proper divisors (54169766739).

80382232557 is a wasteful number, since it uses less digits than its factorization.

80382232557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2809538 (or 2809518 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The spelling of 80382232557 in words is "eighty billion, three hundred eighty-two million, two hundred thirty-two thousand, five hundred fifty-seven".